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CT101A

Information - Help 
ID = 73415
       
Country:
United States of America (USA)
Brand: Cleartron Vacuum Tube; New York City, NY
Developer: Cleartron Vacuum Tube; New York City, NY 
Tube type:  Triode, vacuum   Power/Output 
Identical to CT101A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Direct / Battery =
Description

This is a very rare tube designed by the Cleartron company for resistance coupled amplifiers. It was known as the "Hi Constron" tube andwas claimed to be the first Hi-Mu tube offered for sale to the general public.

 
Information source - - Manufacturers Literature   Undated advertisement
 
ct_101a.png
CT101A: R.O.
Rudolf Osterkamp

 
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CT101A: Fin Stewart
Fin Stewart

 
cleartron_hiconstron_ct101a_usa.png
CT101A: Fin Stewart
Fin Stewart


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